77561120

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{761}}^1$

素因数の和:803

約数の個数: 144

約数和(自身を含む): 229852728

約数和(自身を除く): 152291608

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 49, 52, 56, 65, 70, 80, 91, 98, 104, 112, 130, 140, 160, 182, 196, 208, 224, 245, 260, 280, 364, 392, 416, 455, 490, 520, 560, 637, 728, 761, 784, 910, 980, 1040, 1120, 1274, 1456, 1522, 1568, 1820, 1960, 2080, 2548, 2912, 3044, 3185, 3640, 3805, 3920, 5096, 5327, 6088, 6370, 7280, 7610, 7840, 9893, 10192, 10654, 12176, 12740, 14560, 15220, 19786, 20384, 21308, 24352, 25480, 26635, 30440, 37289, 39572, 42616, 49465, 50960, 53270, 60880, 69251, 74578, 79144, 85232, 98930, 101920, 106540, 121760, 138502, 149156, 158288, 170464, 186445, 197860, 213080, 277004, 298312, 316576, 346255, 372890, 395720, 426160, 484757, 554008, 596624, 692510, 745780, 791440, 852320, 969514, 1108016, 1193248, 1385020, 1491560, 1582880, 1939028, 2216032, 2423785, 2770040, 2983120, 3878056, 4847570, 5540080, 5966240, 7756112, 9695140, 11080160, 15512224, 19390280, 38780560, 77561120]

約数ペア:

[(1, 77561120), (2, 38780560), (4, 19390280), (5, 15512224), (7, 11080160), (8, 9695140), (10, 7756112), (13, 5966240), (14, 5540080), (16, 4847570), (20, 3878056), (26, 2983120), (28, 2770040), (32, 2423785), (35, 2216032), (40, 1939028), (49, 1582880), (52, 1491560), (56, 1385020), (65, 1193248), (70, 1108016), (80, 969514), (91, 852320), (98, 791440), (104, 745780), (112, 692510), (130, 596624), (140, 554008), (160, 484757), (182, 426160), (196, 395720), (208, 372890), (224, 346255), (245, 316576), (260, 298312), (280, 277004), (364, 213080), (392, 197860), (416, 186445), (455, 170464), (490, 158288), (520, 149156), (560, 138502), (637, 121760), (728, 106540), (761, 101920), (784, 98930), (910, 85232), (980, 79144), (1040, 74578), (1120, 69251), (1274, 60880), (1456, 53270), (1522, 50960), (1568, 49465), (1820, 42616), (1960, 39572), (2080, 37289), (2548, 30440), (2912, 26635), (3044, 25480), (3185, 24352), (3640, 21308), (3805, 20384), (3920, 19786), (5096, 15220), (5327, 14560), (6088, 12740), (6370, 12176), (7280, 10654), (7610, 10192), (7840, 9893)]